Thanks, Mark. Mark Leslie wrote: > Support for CIRCULARSTRING is there. Loading and retrieving of the > supported curved geometries should scale to large numbers perfectly > well, but not all the SQL-MM geometries are currently supported. In > particular, PostGIS was choking when I attempted to implement curved > polygons. Index support is complete, but I don't recall any heavy > testing to ensure it's solid. It does manage to calculate a fairly > tight bounding box based on the curvature of the segment, not just the > defining points, so I would consider it ready for substantial testing. > If only we had a volunteer with a large number of circular string > geometries ;)
I cannot guarantee this yet, but maybe we can use the datasets in our project for testing. But I still have to wait for a decision whether we want to go into this direction or whether we just keep our current approach which stores curves as linearized line strings Best regards, -- Markus Schneider l a t / l o n GmbH Aennchenstrasse 19 53177 Bonn, Germany phone ++49 +228 18496-0 fax ++49 +228 18496-29 http://www.lat-lon.de http://www.deegree.org _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
